Data administration method

Abstract

Data administration method which prevents the infringement of a copyright by encrypting and distributing digital content, and readily grasps which contents are contained in the digital content included in the data. Preparing symbol information symbolized so as to visually and auditorily recognize the contents of the digital content that conduct distribution (Step S12), embedding the symbol information in a header data section (Step S13), encrypting the digital content (Step S15), embedding consent information including the information on the contents key in the header data section as an electronic watermark (Step S16), and compositing the real data section and the consent-information-added header data section and distributing the composite data (Step S17).

Description

BACKGROUND OF THE INVENTION[0001]1. Technical Field[0002]The present invention relates to a data administration method, and more particularly to data operating administration in encrypting and distributing digital content.[0003]2. Description of Related Art[0004]In software such as a computer program and in electronic publications, electronic data is stored on magneto optical disks (MOs), digital video disks (DVDs), floppy disks (FDs), mini-disks (MDs) or other recording media and then sold. Such electronic data is in general easily copied, and unfair copies are made frequently. Therefore, there is a risk that copyrights on the software vendor's or publisher's end will be infringed, damaging profits dramatically.[0005]Likewise unfair copies are frequently made of electronic data, including still image data, moving image data, audio data or music data, that is distributed through the internet, CATV or other networks, spoiling copyright holders' profits.[0006]Thus in order to protect ...

AI Technical Summary

Benefits of technology

[0016]An object of the present invention is to provide a data administration method which prevents the infringement of a copyrig

Problems solved by technology

Such electronic data is in general easily copied, and unfair copies are made frequently.

Therefore, there is a risk that copyrights on the software vendor's or publisher's end will be infringed, damaging profits dramatically.

Likewise unfair copies are frequently made of electronic data, including still image data, moving image data, audio data or music data, that is distributed through the internet, CATV or other networks, spoiling copyright holders' profits.

Consequently, in instances in which consent information is destroyed e

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